@charset "utf-8";
.box1{
	width: 500px;
	height: 500px;
	border: 5px solid rgba(0,0,0,1.00);
}
.box1 div{
	width: 300px;
	height: 100px;
}




.red{
	background-color: red;
}
.green{
	background-color: chartreuse;
}
.bule{
	background-color: aqua;
}
.yellow{
	background-color: antiquewhite;
}





.box2{
	width: 500px;
	height: 500px;
	border: 5px solid rgba(0,0,0,1.00);
}
.box2 div{
	width: 300px;
	height: 100px;
	margin-left: auto;
	margin-right: auto;
}





.box3{
	width: 500px;
	height: 500px;
	border: 5px solid rgba(0,0,0,1.00);
	display: flex;
}
.box3 div{width: 500px;
	height: 100px;
}
.box3 item1{
	width: 33.333%;
}
.box3 item2{
	width: 33.333%;
}
.box3 item3{
	width: 33.334%;
}





.box4{
	width: 500px;
	height: 500px;
	border: 5px solid rgba(0,0,0,1.00);
	display: flex;
}
.box4 div{
	width: 500px;
	height: 100px;
}
.box4.yellow .sun {
	width: 400px;
	height: 100px;
	margin-left: auto;
	margin-right: auto;
	display: flex;
}
.box4 item1{
	width: 33.333%;
	height: 100px;
}

.box4 item2{
	width: 33.333%;
	height: 100px;
}
.box4 item3{
	width: 33.334%;
	height: 100px;
}





.box5  {
	width: 500px;
	height: 500px;
	border: 5px solid rgba(0,0,0,1.00);
	padding-left: 50px;
	padding-right: 50px;
}
.box5 .item1 {
	width: 50%;
	height: 100px;
	float: left;
}
.box5 .item2 {
	width: 50%;
	height: 100px;
	float: left;
}
.box5 .item3 {
	width: 100%;
	height: 100px;
	float: left;
}
.box6 {
	width: 500px;
	height: 500px;
	border: 5px solid rgba(0,0,0,1.00);
	padding-left: 50px;
	padding-right:50px;
}
.box6 .item1 {
	width: 100%;
	height: 100px;
}
.box6 .item2 {
	width: 49%;
	height: 100px;
	float: left;
	margin-top: 10px;
}
.box6 .item3 {
	width: 49%;
	height: 100px;
	float: right;
	margin-top: 10px;
}
